أجهزة وقياسات كهربائية

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المقاومة الكھربائية ٩

٩ قياس المقاومة الكھربائية

٩ تعريفات ھامة للمقاومة

١٠ أنواع المقاومات

١١ تحديد قيمة المقاومة باستخدام كود األلوان

المقاومات الرباعية النطاقات اللونية ١١

١٢ النطاقكود المقاومات الرباعية

١٢ المقاومات الخماسية النطاقات اللونية

١٣ كود المقاومات الخماسية النطاق

في الدائرة الكھربائية توصيل المقاومات ١٥

توصيل المقاومات على التوالي وتحقيق قانون كيرشوف للجھود: األولى التجربة ١٧

وتحقيق قانون كيرشوف للتيارتوصيل المقاومات على التوازي : الثانية التجربة ٢٠

القياس باألجھزة التناظرية ٢٣

٢٣تركيب أجھزة القياس التناظرية

٢٥أجھزة الملف ذات الحديدة المتحركة

٢٦الجلفانومتر ذي الملف المتحرك

٢٨ جھاز الجلفانوميتر ذي الملف المتحرك المزود بمقوم

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- Yellow 4 4 10,000أصفر

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א א א אא KאאאאאKא

א א א א א Kא א(S,P,Q, Φ) א א א א א

Kא

(2)אEFאEFא

אאאא

118

אא

אאאאא


WאאאאאאאאKאאאא

אאאאאאW א(0-10 V)K

Kא

אא

אKאא

EאF(R=100 , 2W)K

אאK

אאאWא

(1)אאאא

אאאא

119

Wאא

١ J Kאאאאאאא

٢ J אאא(1)אאאKא

٣ J אאאאאאאאKאאא

٤ J אא10Vאאאא(1)K

٥ J אFאאאאאEאאאWאEFאEF

IVP ٦ J אאאאאאא(W)

אאאאאאW

% 100W P

E xP

Kאא ٧ J אאאאאאאאK

٨ J אאאאאאאאK

٩ J אאאאאאאאK

١٠ J אאאאאK

אאאא

120

Wא

نسبة الخطأE%

قراءة الواتميتر (mW)

القدرة المحسوبة (P)

التيار (mA)

الجھد(V)

0 1 2 3 4 5 6 7 8 9 10

(1) Wאא

KKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKK


אאאא

121

אWא

אאאא

122

אא

אאאאאא

WאאאאאאאאאאאאאאאKא

Wאאאאאאאאאאאא

אEFKאא

Wאאאא

(1)אKא

Fאא1Eאא(P)،אאאKאאא

אאאא(S)אK

S

PcosאEאאFאKא

אF،אאא،אאאEא

אאאא

123

אKאא22 PSQ אאQ

Kא

אאאאאאW

א(0-220V).

אא(600V AC)K

(0-10A)K

א VA 400100,51 K

א A5,56 K

(R-L Load)(100 mH, 1.5A) א A5,56 Kאא

(R-C Load)(47 µF, 400V) א A5,56 Kאא

K

Wאא

١ J אאא(1)אאאא(20V)K

٢ J אאא(V, I, and P)(1)K

٣ J אאאאאאIVS

٤ J Wאאא S

PcosK

٥ J אאP אאSKא

٦ J Wאאא22א PSQ K

٧ J אאא(2)(6)K

אאאא

124

٨ J אא)א(S,P,Q, ΦKאאא

٩ J Kא

١٠ J אאאאאאאאא19Kא

١١ J אאאאאאאאא19Kא

Wא

א אאא אא

Q cos S P V I Vph (V)

20

א 50

100

20

א 50

100

20

א 50

100

(1)

Wאא


KKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKK

אאאא

125

Wאא

אאאא

126

אאאאאאא

W א אא אאאא אWאא א אא

אKאאאאWא אאא ،אאאא

א אא א א א א אKא אאאאאאא

א אא א Kא א א Wא א א (Y- Connected Loads)א

א א (Δ- Connected Loads) א ،אא א W

א(Δ- Connected Loads)אאאאאאאK

אאאאאאW ١ J אאWאאא

א אא אאא א Kאאא

٢ J אאWאאאאאאאאאאאK

٣ J אאאא Wאאא אאאK

אאאא

127

אאאאא

אאאאאאאא(1)אאאא

Kאא

(1)אאאאאאאEFEFK

Kאאא אאאF1 JWE

אאאw1iR K

אאw1vRS K

אאאw2iT K

אאw2vTS K

אאאW1W RRS ivW 1

אאאW2W TTS ivW 2

אאאא

128

Wאאא TTSRRS ivivWW 21

TSTRSR ivvivv

TSTTRSRR iviviviv

TRSTTRR iiviviv

Wא 0 TSR iii

STR iii

SSTTRR ivivivWW 21

3321221 WWWWW (1)

א(1)אאאאאאאאKאאא

אאאאאאאKא

אאאא

129

אא

אאאאאאאאא

Wאאאאאאאאאאאאאאאאא

EFK

Wאאאאאאאאאאאאאא

KאאאאאאאאאאאאKא

אאאא(Neutral)אאאאאKאא

אאאאאאW אא(0-220V)K

א VA 400100,51 K

אאאא A5,56 K

(R-L Load) א (100 mH, 1.5A.) א A5,56 Kא

(R-C Load) א (47 µF, 400V) א A5,56 Kא

K

אאWאK

אאאא

130

Wאאאא

(1)אאאאאא

Fא،4E

(2)אאאא

אאאא

131

Wאא

١ J אאא(1)אאאא(20V)K

٢ J אאא(W1, W2, W3)א(1)K

٣ J אאאWא 3211 WWWP

٤ J אאא(3-2)אKא

٥ J אאא(2)אא(4-1)אKא

٦ J אאE؟אFK

٧ J אאאאאאאאא16K

٨ J אאאאאאאאא16K

אאאא

132

Wא

EאFאא EאFאא Vph (V)א

P2 W3 W2 W1P1 W3 W2 W1

20

30

40

20

30

40

20

30

40

(1)

אWא

..................................................................................................................

........................................................................................................

אאאא

133

אאא

אאאאאאאא

WאאאאאאאאFא– JאEאאאא

אK

Wאאאאאאאאאאאאא

אאאאK Jא JאKאאאא

אאPאאQאאSאcosאאאאאW

21 WWP

213 WWQ 22 QPS

S

Pcos (1)


א VA 400100,51 K

אא A5,56 K

(R-L Load)אא(100

mH, 1.5A.)א A5,56 Kא

אאאא

134

(R-C Load)אא(47 µF, 400V) א A5,56 Kא

K

אאWאK

Wאאאא

(1)אאKא

(2)אאKאא

אאאא

135

Wאא

١ J אאא(1)(2) אאאא(20V)K

٢ J אאא(W1, W2)א(1)K

٣ J אאאPאאQאאSאcosא(1)א(1)K

٤ J אאא2،3אKא ٥ J אאאאאאאאא

14K

٦ J אאאאאאאאא14K

٧ J KEאאאFא

٨ J Kאא

אאאא

136

Wא

Vph (V)א

cos S Q P W2 W1

20

א 30

40

20

א 30

40

20

א 30

40

(1)

אWא



אאאא

137

Wאאא

אאאא

138

אאאא

אא

אאאא

139

אאאאWאא

אאW אאאאאKא

אאאW ١K אאCTKאאא ٢K א א PT אא

Kא

٣K אKאאאא

אאאא

140

אאאא

Wא אאאאאאK

אאאאאאאאאא

אKאאא،אאKאאאאאאא

K

א (Voltage Transformer)Wאאא אאא

אאאאא2

1

N

NKV אאא

אא2

1

V

VKV אאאאאאאK

אא(1)K

(1) Kאאאא

אאאא

141

א א א א EאאF אא אאאKאא

Kאאא א(Current Transformer) אאאW

אאאאאאאא2

1I

NK

Nאאאאא

1

2

V

VK I אאאאא

2

1

I

IK I K

אאאאאאאאאאKKKאFE

(2)K

(2) Kאאאא

אEאאFאאאKא

א א א א אאא

אK

אאאא

142

Wאאאאאאא

אא א א א א א Wאאאאא

١ J אאKאאאאאא

٢ J אאאאKא

٣ J Kאא ٤ J אאKאאא

٥ J אאאאאאאK

٦ J אאאאאא Kא

٧ J א א אא א

Kאאא

٨ J אאאא(2 , 1)K

אאאא

143

אא

אאאאאאא

אאWאאאאאאאאאKא

Wא אא א א א Kא א א א

Kאאאאאא


Kאא

K

K

K

K

K

Wאאא

(1)Kאאאא

אאאא

144

Wאא ١K אאא(1)K

٢K אאVKאאIKKא

٣K אאאא2Vא2I Kא

٤K אאאWא

21 VKV V

21 IKI I

2

1

V

VKV

2

1

I

IK I

٥K אאאאWא WattKKIVIVP IVL 2211

٦K אKא

٧K אאאאא(6-3)K

٨K Kא

Wא אא

(PL)

א(I1)

א(V1)

אא (I2)

אא(V2)

א

א

VK

IK

1

2

3

Wא KKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKK

KKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKK

אאאא

145

אא

אאאאאאאא

אאWאאאאאאאאאאאא

Kא


LoadLR 1000א A5,56 K

K

K

Kא

K

Wאאא

(1)Kאאאאאא

אאאא

146

Wאא

١K אאא(1)אאKאאאא

٢K אאVKאאIKאKא

٣K אאאא2WאK

٤K אאא1אWWא

WattKKWW IV 21 ٥K אאK

٦K אאאאא(5-3)K

٧K Kא

Wא אא

1Wאאא

2W א

VK

IK

1

2

3

F1E אW

KKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKK

אאאא

147

אא

אא

אאאא

148

אאWאא אאW

אאאאאאK

אאאW ١K אKEאאאFא ٢K אאKאאאאאא

٣K אאאאאאאאKא

٤K אאאאאאאאKאא

אאאא

149

אאאEאאFאא

אאאאאאאJouleאFא JאאE

א Jאאא،אאאאKא

אאא

Kאאאאאאאאאאאא(1)אאאאא

אKא Jא90 JKאאא

אאאאאKאאאאא

אcosאאאאKאאאאK

(1)Kאאאא

אאאא

150

אאאאאאאא

Kא

אאKאאאאאאא J kWhאאKZC

אאא JאאאKZCאא،אhnא،אPWא

)(kWC

nP

Z

h

Wאאאא

hkWhPE .

אאאא

151

אא

אאא

אאWאאEאאאFאאאאאאא

אWאאEאאFאאאאאאKאאאאאאEאאאאFא

אאאאKא

אאאאאאW אא(0-220V).

K

K

K

Kאא

K

K

אאאא

152

Wאאא

(1)Kאאאאא

Wאא

١K אאא(1)K

٢K אאאVKאאIKKא

٣K אאZCKא

٤K אאאאאmnKאא

٥K אאאhnWא

hrevnn mh /60

٦K אאWא

kWKKC

nP IV

Z

hL

אאאא

153

٧K אא24אWא hkWhPE L .

٨K Kא

Wא

VK IK

ZC

mn

hn

LP

E

F1E Wא

אאאא

154

א א

אאאאאא

WאאאאEאאאFאאאאאאKאא

אאאאאאW

אא(0-220V)K

אאK

אKא

K

K

Wאאא

(1)אאאKאאא

אאאא

155

Wאא ١K אאא(1).

٢K אאZCKא

٣K אאאאאmnKאא

٤K אאאhnWא

hrevnn mh /60

٥K אאWא

kWC

nP

Z

hL

٦K אא24אWא

hkWhPE L . hKא

٧K Kא אW

ZC

mn

hn

LP

E

F1E

Wא KKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKK

KKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKK

אאאא

156

א א

אאאאאא

WאאאאEאאאFאאאאאאאאאא

אKא


אאK

K

אKא

K

K

Wאאא

(1)אאאKאאא

אאאא

157

Wאא

١K אאא(1)K

٢K אאIKאאK

٣K אאZCKא

٤K אאאאmnKאאא

٥K אאאhnWא hrevnn mh /60

٦K Wאאא kWKC

nP I

Z

hL

٧K אא24אWא hkWhPE L .

٨K hKא

٩K Kא

Wא IK

ZC

mn

hn

LP

E

F1E Wא

KKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKK

אאאא

158

א אא

אאאאאא

WאאאאEאאאFאאאאאאאאKא


Kא

K

K

אKא

K

K

Wאא ١K אאא(1)K

٢K אאVKאאIKKא

٣K אאZCKא

٤K אאאאmnKאאא

٥K אאאhnWא

hrevnn mh /60

אאאא

159

٦K אאWא

kWKKC

nP IV

Z

hL

Wאאא

(1)אאאאאא

Kא ٧K אא24אWא hkWhPE L .

hKא ٨K Kא

אאאא

160

Wא

VK

IK

ZC

mn

hn

LP

E

)1جدول (

Wא

KKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKK

אאאא

161

אא

אא א אאאאא

אא?،א Jא،?אא

،א١٩٩٤אK

-

Electronic Instruments and Measurements, Prentice-Hall International Editions, 1991.

Lorry D. Jones, A. Foster Chin

Electrical and Electronic Principles and Technology , British Library Cataloguing in Publication Data, Second Editions, 2003

John Bird

A Text Book of Electrical Technology, S. Chand & Company LTD., New Delhi, 2002.

B.L.Theraja, A.K. Theraja,

Electrical Energy Meter- Principles and Applications, Manual for Using Energy Meters, Gossen Metrawatt,

instruments.com-http://www.qmc

LON Interface Documentation

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